250880000

素因数分解:

$2^{13}\times 5^4\times 7^2$

素因数の和:60

約数の個数: 210

約数和(自身を含む): 729322011

約数和(自身を除く): 478442011

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 256, 280, 320, 350, 392, 400, 448, 490, 500, 512, 560, 625, 640, 700, 784, 800, 875, 896, 980, 1000, 1024, 1120, 1225, 1250, 1280, 1400, 1568, 1600, 1750, 1792, 1960, 2000, 2048, 2240, 2450, 2500, 2560, 2800, 3136, 3200, 3500, 3584, 3920, 4000, 4096, 4375, 4480, 4900, 5000, 5120, 5600, 6125, 6272, 6400, 7000, 7168, 7840, 8000, 8192, 8750, 8960, 9800, 10000, 10240, 11200, 12250, 12544, 12800, 14000, 14336, 15680, 16000, 17500, 17920, 19600, 20000, 20480, 22400, 24500, 25088, 25600, 28000, 28672, 30625, 31360, 32000, 35000, 35840, 39200, 40000, 40960, 44800, 49000, 50176, 51200, 56000, 57344, 61250, 62720, 64000, 70000, 71680, 78400, 80000, 89600, 98000, 100352, 102400, 112000, 122500, 125440, 128000, 140000, 143360, 156800, 160000, 179200, 196000, 200704, 204800, 224000, 245000, 250880, 256000, 280000, 286720, 313600, 320000, 358400, 392000, 401408, 448000, 490000, 501760, 512000, 560000, 627200, 640000, 716800, 784000, 896000, 980000, 1003520, 1024000, 1120000, 1254400, 1280000, 1433600, 1568000, 1792000, 1960000, 2007040, 2240000, 2508800, 2560000, 3136000, 3584000, 3920000, 4480000, 5017600, 5120000, 6272000, 7168000, 7840000, 8960000, 10035200, 12544000, 15680000, 17920000, 25088000, 31360000, 35840000, 50176000, 62720000, 125440000, 250880000]

約数ペア:

[(1, 250880000), (2, 125440000), (4, 62720000), (5, 50176000), (7, 35840000), (8, 31360000), (10, 25088000), (14, 17920000), (16, 15680000), (20, 12544000), (25, 10035200), (28, 8960000), (32, 7840000), (35, 7168000), (40, 6272000), (49, 5120000), (50, 5017600), (56, 4480000), (64, 3920000), (70, 3584000), (80, 3136000), (98, 2560000), (100, 2508800), (112, 2240000), (125, 2007040), (128, 1960000), (140, 1792000), (160, 1568000), (175, 1433600), (196, 1280000), (200, 1254400), (224, 1120000), (245, 1024000), (250, 1003520), (256, 980000), (280, 896000), (320, 784000), (350, 716800), (392, 640000), (400, 627200), (448, 560000), (490, 512000), (500, 501760), (512, 490000), (560, 448000), (625, 401408), (640, 392000), (700, 358400), (784, 320000), (800, 313600), (875, 286720), (896, 280000), (980, 256000), (1000, 250880), (1024, 245000), (1120, 224000), (1225, 204800), (1250, 200704), (1280, 196000), (1400, 179200), (1568, 160000), (1600, 156800), (1750, 143360), (1792, 140000), (1960, 128000), (2000, 125440), (2048, 122500), (2240, 112000), (2450, 102400), (2500, 100352), (2560, 98000), (2800, 89600), (3136, 80000), (3200, 78400), (3500, 71680), (3584, 70000), (3920, 64000), (4000, 62720), (4096, 61250), (4375, 57344), (4480, 56000), (4900, 51200), (5000, 50176), (5120, 49000), (5600, 44800), (6125, 40960), (6272, 40000), (6400, 39200), (7000, 35840), (7168, 35000), (7840, 32000), (8000, 31360), (8192, 30625), (8750, 28672), (8960, 28000), (9800, 25600), (10000, 25088), (10240, 24500), (11200, 22400), (12250, 20480), (12544, 20000), (12800, 19600), (14000, 17920), (14336, 17500), (15680, 16000)]